The members of this family bear the title Prince[ss] of Monaco (Serene Highness).
 
 

HONORÉ IV, Prince of Monaco 12 Mar 1795 (Monaco 17 May 1758-Paris 16 Feb 1819); m.Paris 15 Jul 1777 (div 1793) Louise d'Aumont, Duchesse de Mazarin et de la Meilleraye (Paris 22 Oct 1759-Paris 13 Dec 1826)
 

1a) HONORÉE V Gabriel, Prince of Monaco (Paris 13 May 1778-Paris 2 Oct 1841)

2a) Tancrede FLORESTAN Roger Louis, Prince of Monaco (Paris 10 Oct 1785-Paris 20 Jun 1856); m.Commercy 27 Nov 1816 Caroline Gibert (Paris 18 Jul 1793-Monaco 25 Nov 1879)
 
 

1b) CHARLES III Honoré, Prince of Monaco (Paris 8 Dec 1818-Château de Marchais 10 Sep 1889); m.Brussels 28 Sep 1846 Antoinette de Mérode (Brussels 28 Sep 1828-Monaco 10 Feb 1864)

 

1c) ALBERT Honoré Charles, Prince of Monaco (Paris 13 Nov 1848-Paris 26 Jun 1922); m.1st Château de Marchais 21 Sep 1869 (div 1880) Lady Mary Douglas-Hamilton (Hamilton Palace 11 Dec 1850-Budapest 14 May 1922); m.2d Paris 30 Oct 1889 (judicially separated 1902) Alice Heine, Dowager Dsse de Richelieu (New Orleans 10 Feb 1858-22 Dec 1925)

 

1d) LOUIS II Honoré Charles Antoine, Prince of Monaco (Baden-Baden 12 Jul 1870-Monaco 9 May 1949); m.Monaco 24 Jul 1946 Ghislaine Dommanget (Rheims 13 Oct 1900- Neuilly-sur-Seine 30 Apr 1991); he had an illegitimate daughter by Marie Juliette Louvet (Pierreval 9 May 1867-Paris 24 Sep 1930):

 

1e) Charlotte Louise Juliette, legitimated and granted title Dss de Valentinois 16 May 1919, renounced rights in favor of her son 30 May 1944 (Constantine, Algeria 30 Sep 1898-Paris 16 Nov 1977); m.Monaco 19 Mar 1920 (div 1933) Pierre Cte de Polignac, cr Duc de Valentinois, cr Pr of Monaco 18 Mar 1920 (Kerscamp 24 Oct 1895- Neuilly-sur-Seine 10 Nov 1964; see Polignac)

 

1f) Antoinette Louise Alberte Suzanne, Baronne de Massy (b.Paris 28 Dec 1920); m.1st Genoa 4 Dec 1951 (div 1954) Alexandre Noghès (Monaco 15 Jun 1916-17 Feb 1999); m.2d The Hague 2 Dec 1961 (div 1973) Jean-Charles Rey (Monaco 22 Oct 1914- Monaco 17 Sep 1994); m.3d Monaco 28 Jul 1983 John Gilpin (Southsea, Hants 10 Feb 1930-London 5 Sep 1983)
 
 

1g) Elisabeth Anne de Massy, b.Monaco 3 Jul 1947; m.1st Monaco 19 Jan 1974 Bernard Alexandre Baron Taubert Natta (Geneva 2 Jul 1941-Geneva 13 Apr 1989); m.2d London 18 Oct 1984 Nicolai Vladimir Costello, dit de Lusignan (b.Lees 24 Dec 1943)
 
 

1h) Jean-Léonard Baron Taubert Natta, b.Geneva 3 Jun 1974

2h) Mélanie de Lusignan, b.Monaco 18 Jan 1985
 
 

2g) Christian Louis Baron de Massy, b.Monaco 17 Jan 1949; m.1st Buenos Aires 14 Nov 1970 (div 1978) Maria Marta Quintana y del Carril (b.London 17 Jun 1951); m.2d Cecile N (b.Guadeloupe); m.3d Ramatuelle 11 Sep 1982 (div 1987) Anne Michelle Lütken (28 Nov 1959- London 25 Nov 2001)
 
 

1h) Laetizia de Massy, b.Buenos Aires 16 May 1971

2h) Brice Baron de Massy, b.1988

3h) Baron Antoine de Massy, b.1997 [1996?]

3g) Christine Alix de Massy (Monaco 8 Jul 1951-Nice 15 Feb 1989); m.1st Monaco 14 Feb 1972 (div 1976) Charles Wayne Knecht (b.Philadelphia 23 Nov 1944); m.2d 25 Mar 1988 Leon Leroy
 
 

1h) Keith Sebastian Knecht, b.Philadelphia 1972; m.Jul 1999 Donatella Dugaginy
 

2f) RAINIER III Louis Henri Maxence Bertrand, Pr of Monaco (Monaco 31 May 1923-Monaco 6 Apr 2005); m.Monaco (civ) 18 Apr 1956 (rel) 19 Apr 1956 Grace Kelly (Philadelphia 12 Nov 1929-k.in car wreck at Monaco 14 Sep 1982)

 

1g) Caroline Louise Marguerite (b.Monaco 23 Jan 1957); m.1st Monaco (civ) 28 Jun 1978 (rel) 29 Jun 1978 (div 1980) Philippe Junot (b.Paris 19 Apr 1940); m.2d Monaco 29 Dec 1983 Stefano Casiraghi (Milan 8 Sep 1960-k.in boating accident nr Cap Ferrat 3 Oct 1990); m.3d Monaco 23 Jan 1999 (rel) Marienburg 27 Jan 1999 Ernst August Pr of Hannover (b.Hannover 26 Feb 1954)
 
 

1h) Andrea Albert Pierre Casiraghi (b.Princess Grace Clinic, Monte Carlo 8 Jun 1984)

2h) Charlotte Marie Pomeline Casiraghi (b.Princess Grace Clinic, Monte Carlo 3 Aug 1986)

3h) Pierre Rainier Stefano Casiraghi (b.Princess Grace Clinic, Monte Carlo 5 Sep 1987)
 
 
 

2g) ALBERT II Alexandre Louis Pierre, Prince of Monaco (b.Monaco 14 Mar 1958)

3g) Stéphanie Marie Elisabeth (b.Monaco 1 Feb 1965); m.1st Monaco 1 Jul 1995 (div 1996) Daniel Ducruet (b.27 Nov 1964); m.2d Vandoeuvres, Switzerland 12 Sep 2003 Adans Lopez Peres (b.1975)
 
 

1h) Louis Robert Paul Ducruet (b.Princess Grace Clinic, Monte Carlo 26 Nov 1992)

2h) Pauline Grace Maguy Ducruet (b.Princess Grace Clinic, Monte Carlo 4 May 1994)

3h) [illegitimate] Camille Marie Kelly Grimaldi (or Gottlieb) (b.Princess Grace Clinic, Monte Carlo 15 Jul 1998)

 

2b) Florestine Gabrielle Antoinette (Fontenay 2 Oct 1833-Stuttgart 24 Apr 1897); m.Monaco 15 Feb 1863 Wilhelm, Duke von Urach (Stuttgart 6 Jul 1810-Schloß Lichtenstein 17 Jul 1869)